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https://issues.apache.org/jira/browse/DERBY-4856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lily Wei updated DERBY-4856:
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Attachment: DERBY-4856_part_3_1a.diff
Thanks to Kathey. I am attach DERBY-4856_part_3_1a.diff patch.
The changes in this patch:
1. Allow use enter property derby.stream.error.extendedDiagSeverityLevel. The
default value is 40000
2. If the error(StandardException, SQLException) has error severity level >=
derby.stream.error.extendedDiagSeverityLevel, thread dump information and
extend diagnosis information will be handle by Derby.
3. Change SimpleTest to have derby.stream.error.extendedDiagSeverityLevel=45000
I am running Suites and derbyall tests now.
Question: If the database is not booted and error occurs, thread dump
information and extend diagnosis information will still be handle with proper
extenedDiagSeverityLevel . Should the code be some where else than
ContextManager.cleanupOnError()? Any suggestion is welcome. Thanks.
> Add thread dump information when derby crash
> --------------------------------------------
>
> Key: DERBY-4856
> URL: https://issues.apache.org/jira/browse/DERBY-4856
> Project: Derby
> Issue Type: Bug
> Components: Services
> Reporter: Lily Wei
> Assignee: Lily Wei
> Priority: Minor
> Fix For: 10.8.0.0
>
> Attachments: ContextManager.java, corruptdb.zip, derby-4856-1a.diff,
> DERBY-4856-part_1_1a.diff, DERBY-4856_part_2_2a.diff,
> DERBY-4856_part_2_2b.diff, DERBY-4856_part_3_1a.diff, derby.log
>
>
> On system crash or session ending error, Derby should dump as much
> information as possible. Such as: forcing a javacore if possible or at least
> thread dump and system environment information. This should only occur if a
> running session crashes not on boot error due to fail recovery etc.
> The IBM jvm provides a way to programmatically dump a javacore. i.e.
> com.ibm.jvm.Dump.JavaDump() And, the SUN jvm will force a thread dump using
> the Unsafe class and there may be a better way.
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